The Premier 24101-19 R is a compatible replacement for the following spa filter cartridges:
The Premier 24101-19 Comp. Pool & Spa Filter Cartridge is a pool filter cartridge constructed with 1 1/16" Open top & bottom holes and 6 sq. ft. of media area. This compatible Pentair filter measures 2 3/4" x 9 3/4" and has 4 oz. of media weight. Utilizing high quality media, this spa filter replacement ensures fresh and clean pool & spa water.